Square D LHP36175MB Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
Quantity
Square D LHP36175MB - 175A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Operating as a core component in power systems, the LHP36175MB is a 175A, three-pole MCCB built for 600VAC circuits. It delivers fixed thermal and magnetic trip functions. This L-Frame device mounts into Square D enclosures and switchboards. Facilities looking to modernize can substitute this model with the PowerPacT JGL36175. Capable of interrupting 35 kA at 480V, it ensures high-level fault clearance. The unit is fully HACR certified for HVAC equipment.Specifications
| Brand | Square D |
|---|---|
| Series | LHP |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 25kA @ 600Y/347VAC, 25kA @ 600VAC, 50kA @ 250VDC |
| Frame Type | L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Switchboards, Motor Control Centers, Enclosures |
| Wire Gauge | 1 AWG-600 kcmil (Al/Cu) or (2) 1 AWG-250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 1 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Short Handle, Push-To-Trip Mechanism |
Product FAQs
7 answersWhat equipment is the LHP36175MB compatible with?
This unit-mount breaker is designed for installation in Square D switchboards, motor control centers, and standalone enclosures.
What are the wire size requirements for the lugs on this breaker?
The standard lugs accept one 1 AWG to 600 kcmil aluminum or copper conductor, or two 1 AWG to 250 kcmil aluminum or copper conductors.
How is this circuit breaker mounted?
The LHP36175MB features a bolt-on connection designed for unit-mount installations, rather than plug-on panelboard configurations.
What does the LI trip function indicate on this breaker?
The LI designation means the thermal-magnetic trip unit provides Long-Time (overload) and Instantaneous (short-circuit) protection. Both the thermal and magnetic trip settings are fixed and cannot be adjusted in the field.
Can the LHP36175MB be used in DC electrical systems?
Yes, this breaker is rated for DC applications up to 250VDC, where it provides an interrupting capacity of 50kA.
Does this breaker provide ground fault protection?
No, the LHP36175MB features a standard thermal-magnetic trip unit with Long-Time and Instantaneous protection only. It does not include ground fault or short-time protection functions.
Is the LHP36175MB part of the current Square D lineup?
No, this is a legacy L-Frame molded case circuit breaker. While still widely used in existing installations, newer Square D systems typically utilize the PowerPact series for this amperage range.
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